Compass Therapeutics, Inc. Common Stock (CMPX) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for CMPX. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 210 institutions reported holding CMPX, with 165.7 million shares worth $363.4 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Tang Capital Management | 17,990,782 | $39M | INCREASED |
| Orbimed Advisors | 15,219,994 | $33M | UNCHANGED |
| Suvretta Capital Management | 14,101,159 | $31M | DECREASED |
| BlackRock | 11,281,781 | $25M | INCREASED |
| Vanguard | 11,060,021 | $24M | INCREASED |
Full institutional holdings, insider history, and congressional trades for Compass Therapeutics, Inc. Common Stock on SentiSense.